C9 Diesel Engine Alternator For Excavator E336D 272 - 1889 352 - 4032 24V 150A

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Alternator Not Charging? (Here’s How To Fix It)
An alternator charges your car battery while you drive, and if it does not, your car stops fairly quickly. Here's to do if your alternator does not charge.

Many people assume that the car’s battery is the only thing that powers all electrical components in the car.

But this is not true. The alternator plays a vital role in supplying power to the car’s AC, recharging the battery, and ignition.

When your alternator is faulty, the battery power is drained fast, and you will find yourself with a stalled car. But what can cause the alternator to go bad and stop charging the battery?

The most common reason an alternator is not charging the battery is due to worn carbon brushes or a damaged alternator itself. It can also be caused by a blown fuse or bad wirings. If your serpentine belt snapped off, the alternator will, of course not charge then either.

Now when you know the most common reasons, you probably want to know them in detail also. Here is a list of the 5 most common reasons why your alternator is not charging the battery.

Causes of Alternator Not Charging

1. Worn out carbon brushes or damaged alternator

Alternator Car
The most common reason why your car is not charging the battery is actually because of a worn-out or damaged alternator.

You can carefully tap it with a hammer while the car engine is running while checking it with a multimeter on the car battery to see if the voltage is changing.

If the voltage change and go back to normal when you tap it lightly with a hammer while the car is running – the Carbon brushes are worn out and needs to be replaced in the alternator, or the whole alternator.